Churches

This former cathedral is now a bustling library packed with students and pigeons.

Fragments of the former temple's lost facade are now displayed in a strange library of stones.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

This Tuscan church contains a gallery of over 700 ex-votos depicting near-death experiences.

A 600-year-old mini shrine guarded by a sword-wielding knight hides in a crumbling cliff face.

Lord Byron's embalmed body lies within this medieval church.

A hidden three-foot-wide house separates these two regal churches.

This fairytale-like structure is the last turf church ever constructed in Iceland.

A deserted island in southwest Japan that once sheltered persecuted Christians.

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

One of the best examples of Art Deco architecture in the United States.

The remains of the left arm of the levitating philosopher-saint are kept in a 13th-century Neapolitan basilica.

This iconic hilltop church doubled as a lighthouse in the 19th century, guiding ships into the port of Valparaíso.

Songwriter Leon Russell transformed this church into a recording studio used by many legendary musicians.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.